Sustainable synthesis of carbon dots via bio-waste recycling for biomedical imaging.

Bio-waste is a side product of biomedical research containing carbon, which can be utilized for developing carbon dots (CDs). CDs are known to be useful for a variety of applications because of their unique photoluminescence, low toxicity, and straightforward synthesis. In this paper, we employed a one-step hydrothermal method to prepare CDs from bio-waste as the only reactant. The as-synthesized Cell-CDs were found to be chemically stable and biocompatible. In addition, the spectra of Cell-CDs' emissions covered the visible light, which is ideal for super-resolution imaging. Particularly, dual-color imaging can be achieved, for example, by staining the plasma membrane with Cell-CDs emitting one color and staining cytosolic organelles with Cell-CDs emitting a different color of fluorescence. Here, we demonstrate such applications by studying the subcellular dynamics of live cells.

Programmable Digital-Microfluidic Biochips for SARS-CoV-2 Detection.

Biochips, a novel technology in the field of biomolecular analysis, offer a promising alternative to conventional testing equipment. These chips integrate multiple functions within a single system, providing a compact and efficient solution for various testing needs. For biochips, a pattern-control micro-electrode-dot-array (MEDA) is a new, universally viable design that can replace microchannels and other micro-components. In a Micro Electrode Dot Array (MEDA), each electrode can be programmatically controlled or dynamically grouped, allowing a single chip to fulfill the diverse requirements of different tests. This capability not only enhances flexibility, but also contributes to cost reduction by eliminating the need for multiple specialized chips. In this paper, we present a visible biochip testing system for tracking the entire testing process in real time, and describe our application of the system to detect SARS-CoV-2.

The role of parent and child self-regulation in children's glycemic control.

OBJECTIVE: Type 1 diabetes mellitus (T1DM) is a lifelong, metabolic disorder, typically arising in childhood and adolescence. Despite recent advances in diabetes management techniques, glycemic control remains substandard for many individuals This study examined the role of parental and child self-regulation in predicting effective glycemic control in children and adolescents with Type 1 diabetes mellitus (T1DM). METHOD: Sixty-three families (with children aged 3-18 years) with T1DM participated. Child, maternal, and paternal measures of temperament, including surgency (behavioral self-regulation), negative affect (emotional selfregulation), and effortful control (cognitive self-regulation) were collected, along with demographic information and haemoglobin A1c (glycemic control). RESULTS: Higher parental and child effortful control was associated with better glycemic control. Higher child negative emotionality was associated with poorer glycemic control. No significant interactions between child and parent measures were identified. CONCLUSIONS: Both parental and child self-regulation play an independent role in glycemic control, and serve as targets for intervention in improving diabetes management in children and adolescents. (PsycINFO Database Record

Understanding differences in access to water fountains and sugar-sweetened beverages in children׳s environments: a pilot study in high and low deprivation neighbourhoods.

Access to water fountains and sugar-sweetened beverages (SSBs) in children׳s environments may impact on child obesity and may vary with neighbourhood deprivation. Our pilot analyses of access to water fountains and SSBs in Wellington, New Zealand revealed that water fountain access was high in school environments and low in recreational environments. There were also differences in water fountain and SSB access points by neighbourhood deprivation. The methods piloted in this study could be translated in a larger study, more capable of detecting significant differences in access and allowing for more sophisticated analyses. Such future studies may provide important evidence for the improvement of children׳s health and well-being.

Accuracy of verbal self-reported blood glucose in teenagers with type I diabetes at diabetes ski camp.

BACKGROUND: While there have been considerable advances in diabetes management, self-monitoring of blood glucose remains vital. A number of studies, predominantly in adults, have confirmed that logbook entries are prone to a number of common errors. To date, no studies in either adults or children have looked at the accuracy of verbally reported self-monitored blood glucose levels (SMBG). Our aim was to determine the accuracy of verbally reported SMBG levels in adolescents at a diabetes camp. METHODS: Dual Data (verbally reported and meter-downloaded values) were obtained as part of camp safety monitoring from 20 adolescents (aged 13-18 years) attending a 3 day diabetes winter camp. Blood glucose values were classified as: accurate, absent/phantom, or modified - verbally reported value > / < meter downloaded value. No participant had prior awareness of the planned meter data download at camp conclusion. RESULTS: Discrepancies between verbally reported and meter downloaded values were observed in 14/20 (70%) participants and in 53/394 (13.5%) instances of testing. Absent/Phantom readings were the most common error at 30/394 (7.6%). Errors relating to hypoglycaemia were seen in 8/47 (17%) hypoglycaemia-related incidents of testing. No relationship with HbA1c was found between those with reporting errors and those without (p > 0.05). CONCLUSION: While 70% of adolescents had errors, the overall error rate at 13.5% is lower than that previously reported for logbook studies. While this rate is lower than expected, misreporting remains a concern, particularly in the context of diabetes camp and exercise induced hypoglycaemia.